1810, from French reconnaissance "act of surveying," literally "recognition," from Old French reconoissance "recognition, acknowledgement" (see recognizance).
权威例句
1. The helicopter was returning from a reconnaissance mission.
直升机完成侦察任务后正在返航。
2. to make an aerial reconnaissance of the island
对这座岛进行空中侦察
3. A patrol was sent on reconnaissance.
一支巡逻队被派去执行侦察任务.
4. We set up reconnaissance of enemy movements.
我们加强了对敌军活动的侦察.
5. The aircraft will be used for reconnaissance rather than combat.